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(No Model.) s sheets-sheet 1. C. H. SAWYER.

WHEELBD SGRAPER. Y No. 401,907'. Patented Apr. 23, 1889.

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WHBELBD SGRAPBR.

No. 401,907. Paten'teaApr. 23, 1889x o no.

` after described, and

UNITED STA-TES PATENT OFFICE.

`CHARLES H. SAVYER, OF MINNEAPOLIS, MINNESOTA, ASSIGNOR OF* ONE- HALF TOH. A. SMITH, OF SAME PLACE.

`wHEELi-:D SCRAPER'.

SPECIFICATION forming part of Letters Patent No. 401,907, dated April2e, 1889.

Serial No. 277,491. (No model.)

To @ZZ whom t may concern,.-

. Be it known that l, CHARLES H. SAWYER, of Minneapolis, county ofHennepin, and State of Minnesota, have invented certain new and usefulImprovements in Wheeled Scrapers or Self-Loading Carts, of which thefollowing is a specification.

My invention relates to improvements in self-loading carts; and itconsists, generally, in the construction and arrangementhereinparticularly pointed out in the claims.

In the drawings which form a part of this specification, Figure 1 is alongitudinal section of a cart or scraper embodying my improvement. Fig.2 is a plan view of the same. Fig. 3 is a section showing the pan orshovel lowered in position 'for taking the load. Fig. 4 is a similarview showing the pan reversed. Fig. 5 is a similar view showing clearlythe operation of the snatch-bar for raising the pan or shovel. Figs.'and 7 are details.

In the drawings, 2 represents the pan or shovel, supported `upon theaxle 3 by suitable hangers, 4, and provided with a bail, 5, by which theforward end of the pan may be supported or secured to the tongue. Theaxle 3 is provided with a crank at each end, upon which the wheels 6 aremounted. A lever, 8, with its front end forked or yoke-shaped, extendsover the pan, and is secured to the axle at each of these cranks for thepurpose of turning the said axle and raising or lowering1 the pan. l Theends of the lever 8 are preferably secured to disks or sand-bands 53,rig idly attached to the yaxle and forming stops or abutmeuts for thehubs of the wheels. These disks may be provided with blocks 55,interposed between them and the lever, in order to avoid the necessityof bending or form.- ing the lever to iit the bent portion of the axle,to which it would be fastened. I do not confine myself to thisconstruction, however, as the lever may be secured to the bent portionof the` axle and operate equally well; but by the use of the blocks andthe disks, as shown, I am enabled to construct a lever the ends of whichare substantially straight, and in this way simplify the mechanism.

The tongue 7 is secured to the central portion of the axle 3, and atthis point `is provided with a suitable casting, which embraces the axleand holds it in its proper position, and is preferably provided with aslot, 9, to allow a` certain amount of movement of the axle lengthwiseof the tongue. A guide-bar, 10, may be located upon the tongue, andforms a recess, through which the bail 5 is allowed to slide. A stop,13, pivoted in this guide, is arranged to fall behind the bail and holdit in its forward position. A lever, 12, is preferably pivoted upon. thetongue 7, and is connected by a rod, 14, to a clevis, 16, in which thedraft-evener is held. This clevis is preferably supported by a hanger,18, se'- cured upon the under side of the tongue, and by theoperation ofthe lever 12 the clevis is drawn back and slides longitudinally of saidhanger. f

' The upper extremity of the lever 12 is preferably provided with achain, 20. This chain passes over avroll'er or spool, 21, journaled inthe forked portion'of the lever 8, thence downward over a sheave, 22,journaled in a suitable bracket, 24, on the pan or shovel 2, and fromthis point it is carried upward and securedto the end of the snatchbar26, which slides in a suitable recess formed beneath the tongue, and iscarried forward and arranged to be attached to an extra team in front ofthe tongue. The rear end of the snatch-bar 2G is preferably providedwith a catch, 28, adapted to receive a latch, 30, on the lever 32.

The lever 32 swings upon a suitable pin in a lug or projection at therear of the tongue 7, placed over the snatch bar and in line therewith.The said lever is preferably slotted and the latch 8O is pivoted in thisslot.

VThe lever is preferably curved, as shown in Fig. 6, in order to bringthe point at which the latch is pivoted below the pivotal point of thelever when the said latch is in engagement with the snatch-bar.

A roller, 34, may be secured to the end'casting of the tongue and bearupon the under side of the snatch bar at-this point. The snatch-barpasses out through the end casting of the tongue over the roller 84, andis brought in contact with the latch 30 on the lever 32. The latch andlever will be raised sufficiently to allow the end of the bar to pass,and the latch 30 will fall behind the catch 28 IOO 1. In a machine ofthe class described, the combination, with the cranked axle, ofthe panor shovel 2, suspended from said axle, a bail, 5, securing the front ofthe pan to the tongue, and a suitable casting securing the axle to thetongue, and a slot, 9, in said casting, which receives the axle,allowing it to slide in said slot, in the manner and for the purposesubstantially as described.

2, In afmachine ofthe class described, the combination, with thecrank-axle, of a lever secured to said axle, a pan suspended below said.axle and connected with the tongue by .a

` suitable bail, a snatch-bar located' beneath Y combination, with thecrank-axle, of Y a lever said tongue, Va lever, 12, pivoted upon thetongue' and connected with the draft-bar, and the chain 20, connectingthe end of saidlever 12 and thesnatch-bar and passing over the lever 8-and connected with the end of the pan, substantially in the manner andfor the purpose as described.

3. In a machine of the class described, the

operating said axle, a pan suspended below said axle and connected withthe tongue by a suitable bail, a snatch-bar located beneath said tongue,a lever, 12, pivoted upon the tongue and connected with the draft-bar, achain connecting the end of the lever 12 with the snatch-bar, and ablock or stop secured to the chain and arranged to be brought in contactwith the operating-lever and draw it downward and raise the pan,substantially as described. f

4. In a machine of the class described, the combination, with thetongue, of the snatchbar located beneath the said tongue, thek lever'32, pivoted on the `said tongue, and a latch, 30, pivoted in said leverand engaging said snatch-bar, in the manner and vfor the purposesubstantially as described.

5. In a machine ofthe class described, the combination, with the crankedaxle, of a pan suspended from said axle, a lever for operating saidaxle, and a chain, 20, operating to draw the lever and pan together bythe draft on the snatch-bar, substantially as described.

6. In a machine of the class described, the

- combination, with thedraft bar lor evener, of the lever 12, pivoted tothe tongue and connected with the said evener, the snatch-bar sliding onsaid tongue, a locking device 1ocated on said tongue and engaging saidsnatchbar, and a chain connecting the end of the snatch-bar with thelever l2, in order that as the said lever is thrown forward thesnatchbar Will be drawn back and brought in engagement with the lockingdevice, in the manner and for the purpose substantially as described. YV

In testimony whereof I have hereunto set my hand this 31st day of May,1888.

.cHARL'Es H. sAWYER.

In presence of-' R. H. SANFORD, C. NACHTRIEB.

